Smartwool Merino 250 Bottom Baselayer Men's crew the Atom – an Arc’teryx

the Atom – an Arc’teryx icon – is a performance warming layer for backcountry adventures

Classic cylinder shape with pliable wire rim and TPU abrasion-resistant lower

legs lock into a storage area on the underside of the table for a tidy pack up

and movement

Back daisy chain and removable velcro loops for bike attachment

Smartwool Merino 250 Bottom Baselayer Men's crew the Atom – an Arc’teryxMerino is standard issue for next to skin insulation. It works with your body's own heating and cooling system to keep your core temperature where you want it. This heavier weight is a wonderful base layer in very cold weather. Perfect for ski touring, mountaineering and backpacking adventures and for high output snowshoeing and nordic skiing. Features: Made of interlock knit merino wool, a fiber that wicks fast to keep you dry, and is naturally